import { Address } from '@solana/kit';
export declare const DEFAULT_PUBLIC_KEY: Address;
export declare const WRAPPED_SOL_MINT: Address;
export declare const NULL_PUBKEY: Address;
export declare const COMPUTE_BUDGET_PROGRAM_ID: Address;
/**
 * Helper function to check if a configured pubkey is null or default.
 * @param pubkey
 * @returns {boolean}
 */
export declare function isNotNullPubkey(pubkey: Address): boolean;
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